Initial revision

git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@3 232f8b59-042b-4e1e-8c03-345bb8c30851

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diff --git a/src/net/java/games/jogl/GLCapabilities.java b/src/net/java/games/jogl/GLCapabilities.java
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+++ b/src/net/java/games/jogl/GLCapabilities.java
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+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * 
+ * - Redistribution in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * 
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MIDROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ * 
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ * 
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package net.java.games.jogl;
+
+/** Specifies a set of OpenGL capabilities that a rendering context
+    must support, such as color depth and whether stereo is enabled.
+    It currently contains the minimal number of routines which allow
+    configuration on all supported window systems. */
+
+public class GLCapabilities implements Cloneable {
+  private boolean doubleBuffered = true;
+  private boolean stereo         = false;
+  private boolean hardwareAccelerated = true;
+  private int     depthBits      = 24;
+  private int     stencilBits    = 0;
+  private int     redBits        = 8;
+  private int     greenBits      = 8;
+  private int     blueBits       = 8;
+  private int     alphaBits      = 0;
+  private int     accumRedBits   = 0;
+  private int     accumGreenBits = 0;
+  private int     accumBlueBits  = 0;
+  private int     accumAlphaBits = 0;
+  // Shift bits from PIXELFORMATDESCRIPTOR not present because they
+  // are unlikely to be supported on Windows anyway
+
+  // Bits for pbuffer creation
+  private boolean offscreenFloatingPointBuffers;
+  private boolean offscreenRenderToTexture;
+  private boolean offscreenRenderToTextureRectangle;
+
+  /** Creates a GLCapabilities object. All attributes are in a default
+      state.
+    */
+  public GLCapabilities() {}
+
+  public Object clone() throws CloneNotSupportedException {
+    return super.clone();
+  }
+
+  /** Indicates whether double-buffering is enabled. */
+  public boolean getDoubleBuffered() {
+    return doubleBuffered;
+  }
+
+  /** Enables or disables double buffering. */
+  public void setDoubleBuffered(boolean onOrOff) {
+    doubleBuffered = onOrOff;
+  }
+
+  /** Indicates whether stereo is enabled. */
+  public boolean getStereo() {
+    return stereo;
+  }
+  
+  /** Enables or disables stereo viewing. */
+  public void setStereo(boolean onOrOff) {
+    stereo = onOrOff;
+  }
+
+  /** Indicates whether hardware acceleration is enabled. */
+  public boolean getHardwareAccelerated() {
+    return hardwareAccelerated;
+  }
+  
+  /** Enables or disables hardware acceleration. */
+  public void setHardwareAccelerated(boolean onOrOff) {
+    hardwareAccelerated = onOrOff;
+  }
+
+  /** Returns the number of bits requested for the depth buffer. */
+  public int getDepthBits() {
+    return depthBits;
+  }
+
+  /** Sets the number of bits requested for the depth buffer. */
+  public void setDepthBits(int depthBits) {
+    this.depthBits = depthBits;
+  }
+  
+  /** Returns the number of bits requested for the stencil buffer. */
+  public int getStencilBits() {
+    return stencilBits;
+  }
+
+  /** Sets the number of bits requested for the stencil buffer. */
+  public void setStencilBits(int stencilBits) {
+    this.stencilBits = stencilBits;
+  }
+  
+  /** Returns the number of bits requested for the color buffer's red
+      component. On some systems only the color depth, which is the
+      sum of the red, green, and blue bits, is considered. */
+  public int getRedBits() {
+    return redBits;
+  }
+
+  /** Sets the number of bits requested for the color buffer's red
+      component. On some systems only the color depth, which is the
+      sum of the red, green, and blue bits, is considered. */
+  public void setRedBits(int redBits) {
+    this.redBits = redBits;
+  }
+
+  /** Returns the number of bits requested for the color buffer's
+      green component. On some systems only the color depth, which is
+      the sum of the red, green, and blue bits, is considered. */
+  public int getGreenBits() {
+    return greenBits;
+  }
+
+  /** Sets the number of bits requested for the color buffer's green
+      component. On some systems only the color depth, which is the
+      sum of the red, green, and blue bits, is considered. */
+  public void setGreenBits(int greenBits) {
+    this.greenBits = greenBits;
+  }
+
+  /** Returns the number of bits requested for the color buffer's blue
+      component. On some systems only the color depth, which is the
+      sum of the red, green, and blue bits, is considered. */
+  public int getBlueBits() {
+    return blueBits;
+  }
+
+  /** Sets the number of bits requested for the color buffer's blue
+      component. On some systems only the color depth, which is the
+      sum of the red, green, and blue bits, is considered. */
+  public void setBlueBits(int blueBits) {
+    this.blueBits = blueBits;
+  }
+  
+  /** Returns the number of bits requested for the color buffer's
+      alpha component. On some systems only the color depth, which is
+      the sum of the red, green, and blue bits, is considered. */
+  public int getAlphaBits() {
+    return alphaBits;
+  }
+
+  /** Sets the number of bits requested for the color buffer's alpha
+      component. On some systems only the color depth, which is the
+      sum of the red, green, and blue bits, is considered. */
+  public void setAlphaBits(int alphaBits) {
+    this.alphaBits = alphaBits;
+  }
+  
+  /** Returns the number of bits requested for the accumulation
+      buffer's red component. On some systems only the accumulation
+      buffer depth, which is the sum of the red, green, and blue bits,
+      is considered. */
+  public int getAccumRedBits() {
+    return accumRedBits;
+  }
+
+  /** Sets the number of bits requested for the accumulation buffer's
+      red component. On some systems only the accumulation buffer
+      depth, which is the sum of the red, green, and blue bits, is
+      considered. */
+  public void setAccumRedBits(int accumRedBits) {
+    this.accumRedBits = accumRedBits;
+  }
+
+  /** Returns the number of bits requested for the accumulation
+      buffer's green component. On some systems only the accumulation
+      buffer depth, which is the sum of the red, green, and blue bits,
+      is considered. */
+  public int getAccumGreenBits() {
+    return accumGreenBits;
+  }
+
+  /** Sets the number of bits requested for the accumulation buffer's
+      green component. On some systems only the accumulation buffer
+      depth, which is the sum of the red, green, and blue bits, is
+      considered. */
+  public void setAccumGreenBits(int accumGreenBits) {
+    this.accumGreenBits = accumGreenBits;
+  }
+
+  /** Returns the number of bits requested for the accumulation
+      buffer's blue component. On some systems only the accumulation
+      buffer depth, which is the sum of the red, green, and blue bits,
+      is considered. */
+  public int getAccumBlueBits() {
+    return accumBlueBits;
+  }
+
+  /** Sets the number of bits requested for the accumulation buffer's
+      blue component. On some systems only the accumulation buffer
+      depth, which is the sum of the red, green, and blue bits, is
+      considered. */
+  public void setAccumBlueBits(int accumBlueBits) {
+    this.accumBlueBits = accumBlueBits;
+  }
+
+  /** Returns the number of bits requested for the accumulation
+      buffer's alpha component. On some systems only the accumulation
+      buffer depth, which is the sum of the red, green, and blue bits,
+      is considered. */
+  public int getAccumAlphaBits() {
+    return accumAlphaBits;
+  }
+
+  /** Sets number of bits requested for accumulation buffer's alpha
+      component. On some systems only the accumulation buffer depth,
+      which is the sum of the red, green, and blue bits, is
+      considered. */
+  public void setAccumAlphaBits(int accumAlphaBits) {
+    this.accumAlphaBits = accumAlphaBits;
+  }
+
+  /** For offscreen surfaces only (pbuffers), indicates whether
+      floating-point buffers should be used if available. Defaults to
+      false. */
+  public void setOffscreenFloatingPointBuffers(boolean onOrOff) {
+    offscreenFloatingPointBuffers = onOrOff;
+  }
+
+  /** For offscreen surfaces only (pbuffers), returns whether
+      floating-point buffers should be used if available. Defaults to
+      false. */
+  public boolean getOffscreenFloatingPointBuffers() {
+    return offscreenFloatingPointBuffers;
+  }
+
+  /** For offscreen surfaces only (pbuffers), indicates whether the
+      render-to-texture extension should be used if available.
+      Defaults to false. */
+  public void setOffscreenRenderToTexture(boolean onOrOff) {
+    offscreenRenderToTexture = onOrOff;
+  }
+
+  /** For offscreen surfaces only (pbuffers), returns whether the
+      render-to-texture extension should be used if available.
+      Defaults to false. */
+  public boolean getOffscreenRenderToTexture() {
+    return offscreenRenderToTexture;
+  }
+
+  /** For offscreen surfaces only (pbuffers), indicates whether the
+      render-to-texture-rectangle extension should be used if
+      available. Defaults to false. */
+  public void setOffscreenRenderToTextureRectangle(boolean onOrOff) {
+    offscreenRenderToTextureRectangle = onOrOff;
+  }
+
+  /** For offscreen surfaces only (pbuffers), returns whether the
+      render-to-texture extension should be used. Defaults to false. */
+  public boolean getOffscreenRenderToTextureRectangle() {
+    return offscreenRenderToTextureRectangle;
+  }
+
+  /** Returns a textual representation of this GLCapabilities
+      object. */ 
+  public String toString() {
+    return ("GLCapabilities [" +
+            "DoubleBuffered: " + doubleBuffered +
+	    ", Stereo: " + stereo + 
+            ", HardwareAccelerated: " + hardwareAccelerated +
+	    ", DepthBits: " + depthBits +
+	    ", StencilBits: " + stencilBits +
+	    ", Red: " + redBits +
+	    ", Green: " + greenBits +
+	    ", Blue: " + blueBits +
+	    ", Alpha: " + alphaBits +
+	    ", Red Accum: " + accumRedBits +
+	    ", Green Accum: " + accumGreenBits +
+	    ", Blue Accum: " + accumBlueBits +
+	    ", Alpha Accum: " + accumAlphaBits +
+	    " ]");
+  }
+}